Home / 31,108.05-46,632.51-19,831.74

Finding the Fourth Proportional to 31,108.05, 46,632.51 and 19,831.74

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Solution

The fourth proportional to 31,108.05, 46,632.51 and 19,831.74 is: 29,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.05 : 46,632.51 = 19,831.74 : x
  2. Step 2: Convert to fraction form
    31,108.05/46,632.51 = 19,831.74/x
  3. Step 3: Cross multiply
    31,108.05x = 46,632.51 × 19,831.74
  4. Step 4: Simplify right side
    31,108.05x = 924,803,639.00
  5. Step 5: Solve for x
    x = 924,803,639.00/31,108.05
  6. Step 6: Final answer
    x = 29,728.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.